220443134111 has 4 divisors (see below), whose sum is σ = 233410377312. Its totient is φ = 207475890912.

The previous prime is 220443134099. The next prime is 220443134159. The reversal of 220443134111 is 111431344022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 220443134111 - 2¹⁸ = 220442871967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220443134011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6483621575 + ... + 6483621608.

It is an arithmetic number, because the mean of its divisors is an integer number (58352594328).

Almost surely, 2^220443134111 is an apocalyptic number.

220443134111 is a deficient number, since it is larger than the sum of its proper divisors (12967243201).

220443134111 is a wasteful number, since it uses less digits than its factorization.

220443134111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12967243200.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 220443134111 its reverse (111431344022), we get a palindrome (331874478133).

The spelling of 220443134111 in words is "two hundred twenty billion, four hundred forty-three million, one hundred thirty-four thousand, one hundred eleven".